/*
 * Copyright 2009 - sanatkumar.padhy
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *  	http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS, 
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and 
 *  limitations under the License. 
 */
package com.googlecode.simplecrud.dao.util;

/**
 * This class provides methods to convert between String and Boolean dataTypes.
 */
@SuppressWarnings("boxing")
public class StringBooleanConverter implements DataTypeConverter<Boolean, String>
{
	private static final String YES = "Y";
	private static final String NO = "N";

	/**
	 * @see com.googlecode.simplecrud.dao.util.DataTypeConverter#convertFromDbValue(java.lang.Object)
	 */
	@Override
	public Boolean convertFromDbValue(String dataValue)
	{
		if (dataValue == null) { return null; }
		return YES.equalsIgnoreCase(dataValue);
	}

	/**
	 * @see com.googlecode.simplecrud.dao.util.DataTypeConverter#convertToDbValue(java.lang.Object)
	 */
	@Override
	public String convertToDbValue(Boolean object)
	{
		if (object == null) { return null; }
		return object ? YES : NO;
	}
}
